27
EN
Please refer to “Light Reference Table” of this User Manual first and then conduct proper
treatment. If problems still exist, please record UPS model, serial number as well as pur-
chase date, symptom on fault, light condition, LCD malfunction or warning information.
Troubleshooting
Should maintenance prove necessary, the following steps should be followed:
1. Check if UPS input wiring is done properly.
2. Check if all air switches are tripped out.
3. Check if voltage input is within specified range.
Summary of Contents for VFI 20000TP 3/3 BX
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Page 30: ...24 RS485 port RS232 port...
Page 31: ...25 EN AS400 port...
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Page 36: ...614 01720 00...
